622970145 has 48 divisors (see below), whose sum is σ = 1240462080. Its totient is φ = 283312512.

The previous prime is 622970143. The next prime is 622970149. The reversal of 622970145 is 541079226.

It is not a de Polignac number, because 622970145 - 2¹ = 622970143 is a prime.

It is a super-2 number, since 2×622970145² = 776183603122642050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (622970143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57036 + ... + 67074.

It is an arithmetic number, because the mean of its divisors is an integer number (25842960).

Almost surely, 2^622970145 is an apocalyptic number.

It is an amenable number.

622970145 is a deficient number, since it is larger than the sum of its proper divisors (617491935).

622970145 is a wasteful number, since it uses less digits than its factorization.

622970145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10254 (or 10251 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 622970145 is about 24959.3698838733. The cubic root of 622970145 is about 854.0613686207.

The spelling of 622970145 in words is "six hundred twenty-two million, nine hundred seventy thousand, one hundred forty-five".